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Papers of the Week


2022 Jul


Indian J Anaesth


66


7

Reliability of analgesia nociception index (ANI) and surgical pleth index (SPI) during episodes of bleeding – A pilot study.

Authors

Muthukalai S, Bansal S, Chakrabarti D, Umamaheswara Rao GS
Indian J Anaesth. 2022 Jul; 66(7):505-510.
PMID: 36111088.

Abstract

Analgesia Nociception Index (ANI) and Surgical Pleth Index (SPI) are measures of nociception-antinociception balance during general anaesthesia. The validity of these two monitors during autonomic changes brought about by intraoperative blood loss and noradrenaline infusion has not been studied earlier. The primary objective of the study was to determine the effect of bleeding on ANI and SPI. The secondary objective was to observe the effect of noradrenaline infusion on ANI and SPI and the correlation between ANI and SPI.